DEV Community: Vrushik Visavadiya

How I Use AI to Build High-Performance Web Applications in 2026

Vrushik Visavadiya — Mon, 09 Feb 2026 05:06:19 +0000

AI is everywhere in web development right now.

But in real projects, the question isn’t “Can AI write code?” — it’s:

How do you use AI without sacrificing performance, architecture, and maintainability?

I’m a full-stack developer working with React, Next.js, and Node.js, and in 2026 AI is part of my workflow — but never in control of it.

This post breaks down where AI actually helps, where it doesn’t, and how I use it to build high-performance production apps.

🧠 AI Is an Assistant, Not an Architect

The biggest mistake I see is letting AI decide system architecture.

My rule is simple:

AI assists. I design.

I use AI to:

Break down requirements
Identify edge cases early
Review ideas from different perspectives

But decisions like:

Rendering strategy (Server vs Client)
State management
Data flow
Security boundaries

are always human-led.

⚛️ Frontend: Faster Without Bloated Code

AI is great for speeding up repetitive frontend work — if you keep control.

Where AI helps me:

Scaffolding components
Refactoring repetitive UI logic
Improving accessibility
Generating TypeScript types

Example of a clean, reusable component:

type User = {
  name: string;
  email: string;
};

export function UserCard({ user }: { user: User }) {
  return (
    <div className="p-4 rounded-lg border">
      <h3 className="font-medium">{user.name}</h3>
      <p className="text-sm text-gray-500">{user.email}</p>
    </div>
  );
}

AI helps generate boilerplate —

I decide component boundaries, rendering behavior, and performance trade-offs.

🚀 Performance Is Still a Human Responsibility

High-performance apps don’t come from prompts.

AI can:

Suggest optimizations
Spot obvious bottlenecks
Review expensive renders

But I still decide:

Server Components vs Client Components
SSR / SSG / Streaming
API call strategy
Bundle size limits

Performance is context-aware, and AI doesn’t understand product context.

🧩 Backend: AI as a Reviewer, Not a Builder

On the backend (Node.js), AI works best as a second reviewer.

Useful for:

Input validation edge cases
Error handling improvements
API response consistency

Not trusted for:

Auth logic
Authorization rules
Database schema decisions
Security-critical flows

Those require ownership and accountability.

🔄 Refactoring & Large Codebases

AI shines when dealing with:

Legacy code
Large components
Repetitive patterns

I often use it to:

Suggest refactors
Reduce duplication
Improve readability

But every change is:

Manually reviewed
Tested
Performance-checked

AI suggestions are never merged blindly.

⚠️ Where I Intentionally Don’t Use AI

Some areas should stay human-only:

Business logic
Financial calculations
Authorization rules
Performance-critical algorithms

Mistakes here are expensive.

🛠️ My Stack (For Context)

Frontend: React, Next.js
Backend: Node.js (REST APIs)
Mobile: React Native
Focus: Performance, scalability, clean architecture

AI complements this stack — it doesn’t replace experience.

🎯 Why This Approach Works

Using AI correctly helps me:

Move faster without cutting corners
Maintain clean, readable code
Catch issues earlier
Focus on architecture and performance

The goal isn’t AI-generated code.

The goal is well-engineered software.

Final Thoughts

AI is powerful — but only when guided by developers who understand:

Performance
Architecture
Real production constraints

If you treat AI as a tool, not a replacement, it can genuinely improve how you build web applications.

Curious how other devs are using AI without breaking things — would love to hear your approach 👇

Suggested DEV.TO tags

#webdev #nextjs #react #performance #ai #fullstack #frontend

Next.js 16: What's New? Turbopack, React Compiler & Key Features

Vrushik Visavadiya — Tue, 11 Nov 2025 12:19:17 +0000

The Vercel team has kept its annual October tradition alive and just dropped Next.js 16. While previous versions (like 13 and 14) were about introducing the new App Router and Server Actions, this release is all about performance, stability, and polish.

If you're a Next.js developer, this update is a big deal. It's not just new features; it's about making the entire development experience fundamentally faster.

Let's break down the biggest features, complete with code examples.

1. Turbopack is Now the Default Bundler ⚡

This is the headline feature. After years in beta, Turbopack is now stable and the default bundler for both next dev and next build.

Previously, you had to opt-in using the --turbo flag. Not anymore.

Why This Matters

Turbopack is a Rust-based bundler designed to replace Webpack. It's incrementally fast, meaning it only builds what's necessary. The Vercel team reports massive performance gains:

Faster Local Server Startup: Near-instant next dev.
Blazing Fast Hot Module Replacement (HMR): Code changes appear in your browser almost instantly.
Faster Production Builds: next build is significantly quicker, speeding up your CI/CD pipelines.

The "Code Example"

The best code example here is what you don't have to write. Your package.json file gets simpler!

Before (Next.js 15):

"scripts": {
  "dev": "next dev --turbo",
  "build": "next build"
}

After (Next.js 16):

"scripts": {
  "dev": "next dev",
  "build": "next build"
}

Just run the standard commands, and you get all the speed benefits out of the box.

2. The React Compiler is Stable and Ready 🤖

This is the other revolutionary feature. Next.js 16 includes support for the stable React Compiler.

This is the future of React. The compiler automatically optimizes your React components, which means you can write less code to get more performance. It's an opt-in feature for now, but it's a game-changer.

Why This Matters
The React Compiler solves one of React's biggest DX (Developer Experience) problems: manual memoization. You no longer need to litter your code with useMemo, useCallback, and React.memo to prevent unnecessary re-renders.

The compiler does it for you, automatically, and better than most humans can.

Example

First, you need to enable it in your next.config.js:

// next.config.js
/** @type {import('next').NextConfig} */
const nextConfig = {
  experimental: {
    reactCompiler: true,
  },
};

module.exports = nextConfig;

Now, look at how your components change.

Before (Manual Memoization):

import { useState, useMemo } from 'react';

function MyComponent({ items }) {
  const [query, setQuery] = useState('');

  // We have to manually memoize this expensive operation
  const filteredItems = useMemo(() => {
    return items.filter(item => item.name.includes(query));
  }, [items, query]); // <-- We have to manage this dependency array

  return (
    <div>
      <input 
        type="text" 
        value={query} 
        onChange={e => setQuery(e.target.value)} 
      />
      {/* ... render filteredItems ... */}
    </div>
  );
}

After (With React Compiler):

import { useState } from 'react';

// This is now a "React Compiler-optimized" component
function MyComponent({ items }) {
  const [query, setQuery] = new useState('');

  // No more useMemo!
  // The compiler sees this is expensive and memoizes it automatically.
  const filteredItems = items.filter(item => item.name.includes(query));

  return (
    <div>
      <input 
        type="text" 
        value={query} 
        onChange={e => setQuery(e.target.value)} 
      />
      {/* ... render filteredItems ... */}
    </div>
  );
}

3.A New Name: `middleware.ts` is now `proxy.ts` 🔁

This is a small change that brings a lot of clarity. The middleware.ts file has been renamed to proxy.ts.

Why This Matters

The term "middleware" was confusing. In frameworks like Express, middleware can end a request (e.g., res.send()). In Next.js, the file's primary job was always to intercept, rewrite, or redirect a request—behaving like a proxy.

This new name makes its purpose crystal clear. The codemod npx @next/codemod@canary upgrade latest will even rename this file for you.

Example
The code inside is the same, just the filename is different.

File name: src/proxy.ts (or proxy.ts in your root)

// src/proxy.ts
import { NextResponse } from 'next/server';
import type { NextRequest } from 'next/server';

export function proxy(request: NextRequest) {
  // Example: Redirect all '/admin' requests to '/login' if not authenticated
  if (request.nextUrl.pathname.startsWith('/admin')) {
    const isAuthenticated = request.cookies.has('auth_token');

    if (!isAuthenticated) {
      return NextResponse.redirect(new URL('/login', request.url));
    }
  }

  return NextResponse.next();
}

// The config matcher is the same as before
export const config = {
  matcher: ['/admin/:path*', '/dashboard/:path*'],
};

4.Breaking Change: Node.js 20.9+ is Required ⚠️

This is a critical update you can't ignore. Next.js 16 drops support for Node.js 18.

You must be running Node.js 20.9.0 or higher to use Next.js 16.

Why This Matters

Node.js 18 is reaching its "End of Life." By moving to Node 20.9+, Next.js can leverage modern Node features, security updates, and performance improvements.

What to Do
Before you upgrade Next.js, check your Node version:

node -v

If you see v18.x.x, you must upgrade. If you're using Vercel, this will be handled for you, but for local development and other platforms (Netlify, AWS, self-hosting), you'll need to update your environment.

How to Upgrade to Next.js 16

Ready to upgrade?

Upgrade Node.js to 20.9.0 or later.
Run the upgrade codemod. This will automatically update your code, rename middleware.ts, and fix other deprecations.

npx @next/codemod@canary upgrade latest

Install the latest dependencies:

Install the latest dependencies:

Turbopack by default makes your dev loop instant.
The React Compiler simplifies your code and makes it faster.
Clarity updates like proxy.ts improve the developer experience.

What feature are you most excited to use? Let me know in the comments!

Understanding TypeScript Utility Types with Real Examples

Vrushik Visavadiya — Mon, 27 Oct 2025 04:53:49 +0000

If you’ve been using TypeScript for a while, you’ve probably written repetitive types — like copying an interface just to make all fields optional or removing one key from another type.

That’s where TypeScript Utility Types come in.
They’re built-in helpers that let you transform existing types instead of creating new ones from scratch.

In this post, we’ll explore the most useful ones — with real examples you can instantly apply in your React, NextJS, Node.js, or MERN projects.

🔧 1. `Partial<Type>` — Make All Properties Optional

The Partial utility type turns all properties of a given type into optional.

interface User {
  id: number;
  name: string;
  email: string;
}

type UpdateUser = Partial<User>;

const updateUser: UpdateUser = {
  name: "John",
};

🟢 When to use:

When you’re creating “update” forms or API payloads that don’t require all fields.

✂️ 2. `Pick<Type, Keys>` — Select Specific Properties

Pick lets you choose only certain properties from a type.

interface User {
  id: number;
  name: string;
  email: string;
  password: string;
}

type PublicUser = Pick<User, "id" | "name">;

const user: PublicUser = {
  id: 1,
  name: "John",
};

🟢 When to use:

When you need to expose only public data (e.g., remove sensitive info like passwords).

🚫 3. `Omit<Type, Keys>` — Exclude Certain Properties

The opposite of Pick. It creates a type by omitting specific properties.

type SafeUser = Omit<User, "password">;

const safeUser: SafeUser = {
  id: 1,
  name: "john",
  email: "john@example.com",
};

🟢 When to use:

When you want to reuse an existing type but hide specific fields.

🔒 4. `Readonly<Type>` — Prevent Modification

Marks all properties of a type as read-only.

interface Config {
  apiUrl: string;
  version: number;
}

const config: Readonly<Config> = {
  apiUrl: "https://api.example.com",
  version: 1,
};

// ❌ Error: Cannot assign to 'apiUrl' because it is a read-only property.
config.apiUrl = "https://new-api.example.com";

🟢 When to use:

For constant configurations or environment settings.

🗂️ 5. `Record<Keys, Type>` — Create an Object Type Dynamically

The Record utility constructs an object type with a set of keys and a uniform type.

type Roles = "admin" | "user" | "guest";

const permissions: Record<Roles, boolean> = {
  admin: true,
  user: true,
  guest: false,
};

🟢 When to use:

When you need to map a fixed set of keys (like roles, statuses, or categories) to values.

🧩 6. `Required<Type>` — Make All Properties Mandatory

Turns all properties of a type into required.

interface Settings {
  theme?: string;
  language?: string;
}

type StrictSettings = Required<Settings>;

const settings: StrictSettings = {
  theme: "dark",
  language: "en",
};

🟢 When to use:

When you want to enforce that all fields must exist, even if they were optional before.

🧰 Bonus: Combine Utility Types

You can mix them for more powerful transformations.


type UserPreview = Readonly<Pick<User, "id" | "name">>;

const userPreview: UserPreview = {
  id: 1,
  name: "John",
};

// userPreview.id = 2 ❌ Error (readonly)

🟢 When to use:

When you want fine-grained control over types — like a read-only subset of user data.

Utility types are small but powerful tools that make TypeScript a joy to work with.

Once you start using them, you’ll rarely find yourself rewriting similar interfaces again.

Here’s a quick recap:

Utility Type	Purpose
`Partial<T>`	Make all properties optional
`Pick<T, K>`	Select specific keys
`Omit<T, K>`	Exclude specific keys
`Readonly<T>`	Make all properties immutable
`Record<K, T>`	Create a type with specific keys and value types
`Required<T>`	Make all properties required

If you enjoyed this guide, you can find more tutorials on my portfolio blog 🚀

Next.js 15 SEO Checklist for Developers in 2025 (with Code Examples)

Vrushik Visavadiya — Mon, 01 Sep 2025 05:17:36 +0000

Search engine optimization (SEO) has always been critical, but in 2025, the game has changed. It’s no longer just about keywords — it’s about Answer Engine Optimization (AEO), AI-driven search (GEO), and Core Web Vitals.

As developers, we play a huge role in making apps SEO-ready. With Next.js 15, we get built-in tools that make this easier — but only if we know how to use them correctly.

This post is your step-by-step SEO checklist for Next.js 15, complete with code examples you can copy-paste.

1. Setup Metadata & Open Graph Tags

Next.js 15 provides the new metadata API for SEO. Use it to define titles, descriptions, and social preview tags.

// app/layout.tsx
export const metadata = {
  title: "My Next.js App | 2025"
  description: "A modern Next.js 15 application optimized for SEO,"
  openGraph: {
    title: "My Next.js App,"
    description: "Optimized Next.js 15 SEO Checklist with code examples.,"
    url: https://myapp.com,
    siteName: MyApp,
    images: [
      {
        url: https://myapp.com/og-image.png,
        width: 1200,
        height: 630,
        alt: My Next.js App,
      },
    ],
    locale: en_US,
    type: website,
  },
};

Pro Tip: Always include Open Graph + Twitter Card metadata for LinkedIn, Twitter previews.

2. Optimize URL Structure

Keep URLs short, clean, and keyword-friendly.

❌ Bad:

/post?id=123

✅ Good (Next.js dynamic routes):

/blog/nextjs-15-seo-checklist

// app/blog/[slug]/page.tsx
import { notFound } from "next/navigation";

export default async function BlogPost({ params }: { params: { slug: string } }) {
  const post = await getPostBySlug(params.slug);
  if (!post) notFound();

  return <article dangerouslySetInnerHTML={{ __html: post.content }} />;
}

3. Add Structured Data (Schema.org)

Structured data helps Google understand your content. In Next.js, inject JSON-LD:

// app/blog/[slug]/page.tsx
import Script from "next/script";

export default function BlogPost({ params }) {
  const jsonLd = {
    "@context": "https://schema.org",
    "@type": "BlogPosting",
    headline: "Next.js 15 SEO Checklist for Developers in 2025",
    author: {
      "@type": "Person",
      name: "Your Name",
    },
    datePublished: "2025-09-01",
  };

  return (
    <>
      <Script
        id="structured-data"
        type="application/ld+json"
        dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
      />
      <article>...</article>
    </>
  );
}

4. Image Optimization with `next/image`

Large images hurt Core Web Vitals. Always use the built-in <Image />:

import Image from "next/image";

<Image
  src="/blog/seo.png"
  alt="Next.js SEO Checklist"
  width={800}
  height={400}
  priority
/>

✅ Use priority for above-the-fold images.

✅ Always add descriptive alt tags (helps accessibility + SEO).

5. Performance & Core Web Vitals

Search rankings in 2025 rely heavily on performance.

Enable Static Rendering (SSG) whenever possible.
Use dynamic imports for heavy libraries.
Add caching + CDN support.

// Example: Dynamic Import
import dynamic from "next/dynamic";

const Chart = dynamic(() => import("./Chart"), { ssr: false });

Run audits with Lighthouse and aim for:

LCP < 2.5s
CLS < 0.1
FID < 100ms

6. Sitemap & Robots.txt

Generate sitemap.xml + robots.txt to guide crawlers. Use the next-sitemap package.

npm install next-sitemap

// next-sitemap.config.js
module.exports = {
  siteUrl: "https://myapp.com",
  generateRobotsTxt: true,
};

Run:

npx next-sitemap

7. Accessibility = Better SEO

Always use semantic HTML (<header>, <nav>, <article>).
Add ARIA attributes when necessary.
Use descriptive links (Read more about Next.js SEO instead of Click here).

8. Answer Engine Optimization (AEO)

In 2025, AI tools (ChatGPT, Perplexity, Gemini) pull answers directly from well-structured content.

👉 How to optimize:

Use FAQ sections at the end.
Write concise Q&A answers.

### FAQ

**Q: How do I add metadata in Next.js 15?**  
A: Use the built-in `metadata` object inside `app/layout.tsx`.

**Q: Does Next.js automatically optimize SEO?**  
A: It provides tools, but you need to configure metadata, URLs, and performance manually.

📌 Final SEO Checklist (Quick Recap)

[✔️] Metadata & Open Graph tags
[✔️] Clean URLs with dynamic routes
[✔️] Structured Data (Schema.org)
[✔️] Optimized images with <Image />
[✔️] Core Web Vitals optimization
[✔️] Sitemap + robots.txt
[✔️] Semantic HTML & accessibility
[✔️] FAQ for Answer Engines

Conclusion

SEO in 2025 is more than just keywords — it’s about structured content, performance, and AI discoverability.

With Next.js 15, we get all the tools to build SEO-friendly apps, but the real power lies in how we implement them.

If you follow this checklist, your app will be ready to rank higher on Google, LinkedIn shares, and even AI search engines.

Master Git for Daily Development

Vrushik Visavadiya — Mon, 11 Aug 2025 18:27:58 +0000

Vrushik Visavadiya

Aug 11 '25

Git Tips I Wish I Knew Earlier (For Everyday Productivity)

#git #github #development #productivity

Comments

2 min read

Git Tips I Wish I Knew Earlier (For Everyday Productivity)

Vrushik Visavadiya — Mon, 11 Aug 2025 18:27:17 +0000

We use Git every day — but most of us stick to just add, commit, and push.

Here are small, daily-use improvements that can make your Git workflow smoother starting today.

1️⃣ Undo the Last Commit (Without Losing Changes)

Made a typo in your commit message or forgot a file?

Instead of making a new commit:

git commit --amend

💡 Pro Tip: Add --no-edit if you just want to keep the same message.

2️⃣ See What You’re About to Commit

Before committing, check your staged changes:

git diff --staged

No more “Oops, I didn’t mean to commit that file!” moments.

3️⃣ Quickly Switch Back to the Last Branch

git checkout -

or (modern way):

git switch -

Great for jumping between two branches while fixing something quickly.

4️⃣ Save Work-in-Progress Without Committing

Got interrupted? Use stash:

git stash
# ...do something else...
git stash pop

You’ll get your work back exactly as it was.

5️⃣ Pull with Rebase for a Cleaner History

Instead of mixing merge commits in your history:

git pull --rebase

This keeps your commits in a straight line — much easier to read.

6️⃣ Avoid Typing Long Commands with Aliases

git config --global alias.s "status -sb"
git config --global alias.lg "log --oneline --graph --decorate"

Now:

git s
git lg

Your fingers will thank you. 🙌

7️⃣ View Who Changed a Line in a File

git blame filename.js

Perfect for finding the commit (and person 😏) behind that mysterious code.

8️⃣ Ignore Files You Forgot to Ignore

git rm --cached file.log
echo "file.log" >> .gitignore

Now Git will stop tracking it — but it stays in your local folder.

📌 Final Thought

You don’t have to memorize 200+ Git commands —

just a few well-chosen habits can save you hours every week.

💬 Which of these do you use daily?

Drop your favorite Git tip in the comments so we can all improve together!

Top 10 Tools I Use as a Frontend Developer (2025 Edition)

Vrushik Visavadiya — Thu, 17 Jul 2025 06:35:25 +0000

As a frontend developer in 2025, I'm constantly evolving my workflow to stay sharp, efficient, and in love with the code I write. Whether you're a beginner or a seasoned dev, the right tools can dramatically improve your productivity, code quality, and sanity.

Here are the top 10 tools I use almost daily—and why they matter:

1. 🖥️ Visual Studio Code (VS Code)

Why I use it: Fast, extensible, and loaded with features like IntelliSense, built-in Git, and a robust ecosystem of extensions.

Favorite extensions:

Prettier
ESLint
GitLens
Tailwind CSS IntelliSense
React Snippets

2. 🎨 Figma

Why I use it: A seamless way to collaborate with designers, prototype UIs, and inspect styles directly. It bridges the design-dev gap beautifully.

3. ⚛️ React DevTools

Why I use it: Essential for inspecting React component trees, checking hooks state, and debugging performance issues.

4. 📦 Vite

Why I use it: Blazingly fast frontend build tool. Instant hot module replacement and zero-config setup for React, Vue, and more.

5. 🔄 Git + GitHub

Why I use it: Version control is non-negotiable. I use Git daily for commits, branching, and pull requests. GitHub adds seamless team collaboration and CI/CD integrations.

6. 🌐 Postman

Why I use it: For testing APIs quickly without writing code. Especially useful when working with backend teams or public APIs.

7. 🧪 Jest + React Testing Library

Why I use it: Unit and integration testing made simple. These tools make it easier to test UI behavior in React apps without diving into implementation details.

8. 🧠 ChatGPT / AI Assistants

Why I use it: For quick code explanations, debugging help, regex generation, or even naming functions—it’s like having a coding buddy 24/7.

9. 🚀 Netlify / Vercel

Why I use it: Deploying frontend projects is now as simple as connecting a GitHub repo. Instant previews, fast hosting, and built-in CDN.

10. 📊 Lighthouse / WebPageTest

Why I use it: Performance matters. These tools help analyze my pages for speed, accessibility, SEO, and best practices.

Final Thoughts

Tools come and go, but great workflows stay. These 10 tools have helped me ship better code, faster, and with more confidence.

💬 Got tools that make your life easier as a frontend dev? Share them below!

Refactoring a Messy Codebase: Lessons I Learned

Vrushik Visavadiya — Tue, 06 May 2025 05:14:47 +0000

One of the most underrated but critical skills for developers is the ability to refactor messy code—not just making it work, but making it better. Recently, I worked on a project where I had to dive into a poorly structured codebase with inconsistent patterns, unnecessary complexity, and minimal documentation. Here's what I learned from that experience and how you can approach your next messy project with more confidence.

🧩 What Made the Code "Messy"?

Before diving into solutions, it's important to identify the problems. In my case, the issues included:

Duplicated logic scattered across files
Inconsistent naming conventions
Long, unreadable functions
Lack of separation of concerns (e.g., business logic mixed with UI logic)
No clear module or folder structure
Zero documentation or inline comments It wasn’t broken, but it was far from maintainable.

🧹 Step-by-Step Refactoring Process

1. Understand Before You Change

Before touching a single line of code, I took the time to:

Read through the key components and features.
Sketch out a rough mental (or visual) map of how data flowed.
Note down patterns—even if they were bad—to look for repetition.

Lesson: Never refactor code you don’t understand. You might break something that "just works."

2. Set a Goal for Refactoring

Was I aiming to clean up performance bottlenecks? Improve readability? Make it scalable?
In this case, my goals were:

Simplify code logic
Improve maintainability
Prepare for adding new features

3. Break Big Functions Into Smaller Ones

The original code had functions over 100 lines long. I extracted chunks into well-named helper functions.

// Before
function processOrder(order) {
  // long logic here...
}

// After
function processOrder(order) {
  validateOrder(order);
  calculateTotals(order);
  applyDiscounts(order);
  saveToDatabase(order);
}

Lesson: Small, single-responsibility functions make code easier to test and understand.

4. Introduce Consistent Naming and Formatting

I ran a linter (ESLint + Prettier) and standardized naming conventions like camelCase for variables and PascalCase for components.

Lesson: Consistency makes code feel clean—even before major changes.

5. Implement a Better Folder Structure

The project had files like utils.js, api.js, helpers.js all overloaded with unrelated logic.

I refactored to something like:

/src
  /components
  /services
  /utils
  /hooks
  /pages

Lesson: Grouping by feature or responsibility reduces cognitive load.

6. Write Tests Before Changing Logic

When touching critical logic, I first wrote basic unit tests to ensure behavior stayed the same post-refactor.

Lesson: Tests are your safety net. They make bold changes less risky.

✅ Final Outcome

After a few days of focused work:

The codebase was easier to read and navigate.
New features could be added without introducing bugs.
Junior devs on the team could finally contribute without getting lost.

📘 Key Takeaways

Refactor only what you understand.
Set clear goals.
Start small: extract, rename, reorganize.
Use tools (linters, formatters, test suites) to help you.
Refactoring isn't rewriting—it's improving

Refactoring a messy codebase can feel overwhelming at first, but it’s one of the most rewarding tasks you can take on. Not only does it sharpen your skills, but it also increases your team’s velocity and project longevity.

If you're staring at a wall of spaghetti code today—take a deep breath. Start small. Refactor with purpose.

📌 Let’s Connect

If you enjoyed this post, check out more of my work on my portfolio:
https://www.vrushikvisavadiya.com/

Top Git Commands Every Developer Should Know

Vrushik Visavadiya — Wed, 12 Mar 2025 04:19:01 +0000

Top Git Commands Every Developer Should Know

Vrushik Visavadiya ・ Mar 10

#git #github #gitlab #githubactions

Top Git Commands Every Developer Should Know

Vrushik Visavadiya — Mon, 10 Mar 2025 13:54:34 +0000

Git is one of the most powerful tools in a developer’s toolkit, yet it can feel intimidating to beginners. But don’t worry! In this blog, we’ll break down Git in a way that makes it easy to understand while also sharing some pro tips to boost your workflow.

Why Should You Care About Git?

If you’ve ever worked on a project that needed to keep track of changes, collaborate with others, or roll back to a previous version, Git is your best friend. It helps developers:

✅ Track changes efficiently
✅ Collaborate seamlessly
✅ Prevent the nightmare of lost code
✅ Experiment without breaking everything

Let’s dive into Git step by step.

Getting Started with Git

First, install Git if you haven’t already:

# For Debian-based systems (Ubuntu, etc.)
sudo apt install git

# For macOS
brew install git

# For Windows
download from https://git-scm.com/

After installation, configure your identity

git config --global user.name "Your Name"
git config --global user.email "your.email@example.com"

Now, let’s go hands-on with some essential Git commands!

Essential Git Commands (With Real-Life Scenarios!)

1. Initializing a Git Repository

Ever wanted to track your project changes? Run:

git init

This creates a Git repository in your project folder.

2. Checking the Status

Find out what’s happening in your repo:

git status

It tells you which files are modified, staged, or untracked.

3. Adding Files to Staging

When you make changes, you need to tell Git to track them:

git add file.txt  # Add a specific file
git add .         # Add all changed files

4. Committing Changes

Once files are staged, save them with a meaningful message:

git commit -m "Added a new feature"

Pro tip: Write clear commit messages! Future-you will thank you.

5. Pushing Changes to GitHub

To share your work, push it to a remote repository:

git remote add origin https://github.com/yourusername/repository.git
git branch -M main
git push -u origin main

6. Pulling Changes (Syncing with Others)

If you’re working in a team, always pull before making new changes:

git pull origin main

This prevents merge conflicts!

Advanced Git Features

1. Stashing Changes

If you need to switch branches but don’t want to commit yet, stash your changes:

git stash

To apply stashed changes later:

git stash apply

2. Interactive Rebase

Rewriting commit history for a clean and readable log:

git rebase -i HEAD~3  # Modify last 3 commits

3. Bisecting to Find Bugs

Efficiently locate the commit that introduced a bug:

git bisect start
git bisect bad  # Mark current commit as bad
git bisect good commit_hash  # Mark a known good commit

Git will help you find the faulty commit!

4. Cherry-Picking Commits

Apply a specific commit from one branch to another:

git cherry-pick commit_hash

5. Signing Commits for Security

Secure your commits with GPG signatures:

git commit -S -m "Secure commit"

Avoiding Common Git Mistakes

🚫 Forgetting to Pull Before Pushing – Always run git pull first!
🚫 Not Using Branches – Keep your main branch clean and use feature branches.
🚫 Messy Commit Messages – Write clear messages like: git commit -m "Fix login bug".
🚫 Deleting Files Without Git – Use git rm filename to properly remove files.

Pro Git Tips for Developers

🚀 Use Aliases for Speed – Save time with shortcuts:

git config --global alias.st status
git config --global alias.cm "commit -m"

Now you can run git st instead of git status!

🚀 Undo the Last Commit – If you mess up, don’t panic:

git reset --soft HEAD~1

This keeps your changes but removes the commit.

🚀 Rebase Instead of Merge – Keep history clean with:

git pull --rebase origin main

5 Game-Changing Libraries Every React Developer Should Know in 2025

Vrushik Visavadiya — Sat, 15 Feb 2025 07:31:56 +0000

Sick of reinventing the wheel in React? We all adore React, but come on—some things just feel repetitive and boring. What if I told you that there are turbocharged libraries that can make your coding life 10x better?

Today, I'm sharing 5 essential libraries that will make you write cleaner, faster, and more efficient React apps. Let's get started!

1. Lodash – The Swiss Army Knife of JavaScript

Have you ever struggled with deep cloning, debouncing, or array manipulation? Lodash has your back. This utility library makes complex operations feel like a breeze.

Why use it?

Super efficient helper functions
Handles deep copying, throttling, and object operations with ease

Installation

npm install lodash

Example Usage:

import _ from 'lodash';

const numbers = [1, 2, 3, 4, 5];
console.log(_.shuffle(numbers)); // [4,1,3,5,2] 🎲

2. Date-fns – Dates Without the Headache

Still using Moment.js? 😱 It’s 2025—time to switch to date-fns, a lighter, faster date manipulation library.

📌 Why use it?

No more bloated bundle sizes
Immutable and functional-friendly
Supports modern JavaScript features

Installation

npm install date-fns

Example Usage:

import { format, addDays } from 'date-fns';

const today = new Date();
console.log(format(today, 'yyyy-MM-dd')); // "2025-02-15" 📅
console.log(addDays(today, 7)); // One week later 🚀

3. Zustand – The Simpler Redux Alternative

Redux is great, but do you really need all that boilerplate? Meet Zustand, a tiny but powerful state management library.

📌 Why use it?

No reducers, no actions—just state
Simple, flexible, and works with React hooks
Built-in middlewares for persistence

Installation

npm install zustand

Example Usage:

import create from 'zustand';

const useStore = create((set) => ({
  count: 0,
  increment: () => set((state) => ({ count: state.count + 1 })),
}));

function Counter() {
  const { count, increment } = useStore();
  return <button onClick={increment}>Count: {count} 🏆</button>;
}

4. React Query (TanStack Query) – Fetching Data Like a Pro

Are you tired of managing loading states, caching, and re-fetching manually? React Query automates it all!

📌 Why use it?

Automatic caching and background refetching
Handles API errors gracefully
Perfect for server-state management

Installation

npm install @tanstack/react-query

Example Usage

import { useQuery } from '@tanstack/react-query';

const fetchPosts = async () => {
  const res = await fetch('https://jsonplaceholder.typicode.com/posts');
  return res.json();
};

function Posts() {
  const { data, error, isLoading } = useQuery(['posts'], fetchPosts);

  if (isLoading) return <p>Loading...⏳</p>;
  if (error) return <p>Something went wrong! ❌</p>;

  return <ul>{data.map(post => <li key={post.id}>{post.title}</li>)}</ul>;
}

5. Clsx – No More Messy Classnames

Do you hate managing class names with long className strings? 😵 Clsx makes it super clean and easy!

📌 Why use it?

Cleaner className logic
Handles conditional classes beautifully
Works great with Tailwind CSS

Installation

npm install clsx

Example Usage

import clsx from 'clsx';

function Button({ isPrimary }) {
  return <button className={clsx('btn', { 'btn-primary': isPrimary })}>Click me 🚀</button>;
}

Wrapping Up

With these five libraries, you'll:

Write cleaner, more efficient code
Spend less time debugging and more time building
Stay ahead of the curve in 2025

Which one is your favorite?
Or do you have another must-have React library?
Drop a comment below 👇

Discover the Game-Changing Features of React 19

Vrushik Visavadiya — Wed, 15 Jan 2025 15:20:22 +0000

React 19 is here, and it brings an exciting array of features to elevate your web development game! With performance optimizations, new hooks, and developer-friendly enhancements, this release is a must-explore for React enthusiasts. In this blog, we’ll dive into the most impactful updates and show you how to make the most of them with code examples.

1. React Compiler: Automatic Code Optimization

The new React Compiler transforms your React components into highly optimized JavaScript during build time. This eliminates the need for manual performance tweaks like useMemo or useCallback.

Example

function ExpensiveComponent({ data }) {
  // Complex calculations here
  return <div>{/* Render output */}</div>;
}

With React 19, you get better performance without explicitly memoizing components, leading to cleaner and more maintainable code.

2. Server Components: Faster Loading and SEO Benefits

Server Components allow parts of your app to render on the server, reducing the client’s workload. This improves loading speeds and boosts SEO by sending fully rendered HTML to the browser.

Example

// MyComponent.server.js
export default function MyComponent() {
  const data = fetch('https://api.example.com/data').then(res => res.json());
  return <div>{data.title}</div>;
}

With this approach, the server handles data fetching and rendering, ensuring a smooth user experience.

3. Actions: Simplified Form Handling

Actions simplify data mutations and server-side state updates, making form handling a breeze. They allow you to execute async functions directly in transitions.

Example

"use server";

const submitData = async (formData) => {
  const newUser = {
    username: formData.get('username'),
    email: formData.get('email'),
  };
  console.log(newUser);
};

const Form = () => (
  <form action={submitData}>
    <input type="text" name="username" placeholder="Name" />
    <input type="email" name="email" placeholder="Email" />
    <button type="submit">Submit</button>
  </form>
);

Say goodbye to the boilerplate code for handling forms!

4. New Hooks: `use()`, `useOptimistic()`, and `useFormStatus()`

use() Hook :
The use() hook simplifies async data fetching by suspending rendering until the promise resolves.

Example

const dataPromise = fetchData();
const data = use(dataPromise);

useOptimistic() Hook :
This hook makes optimistic UI updates straightforward by providing immediate feedback while syncing with the server.

Example

const [likes, setLikes] = useOptimistic(0, (prev) => prev + 1);

const handleLike = () => {
  setLikes(); // Update UI immediately
  postLikeToServer();
};

useFormStatus() Hook :
Track form submission states like loading or errors declaratively.

const { isSubmitting } = useFormStatus();

<form action={submitData}>
  <button disabled={isSubmitting}>
    {isSubmitting ? 'Submitting...' : 'Submit'}
  </button>
</form>

5. Enhanced Asset Loading

React 19 optimizes asset loading by preloading resources in anticipation of user actions. This ensures a seamless browsing experience

Example:

<link rel="preload" href="image.jpg" as="image" />

6. Improved Web Components Support

Seamless integration with Web Components enables developers to reuse custom elements effortlessly.

<my-custom-element prop="value"></my-custom-element>

React 19 ensures compatibility with these components, broadening development possibilities.

Have you explored React 19 yet? Share your thoughts and favorite features in the comments below.

Let’s continue the conversation!

DEV Community: Vrushik Visavadiya

How I Use AI to Build High-Performance Web Applications in 2026

🧠 AI Is an Assistant, Not an Architect

⚛️ Frontend: Faster Without Bloated Code

Where AI helps me:

🚀 Performance Is Still a Human Responsibility

🧩 Backend: AI as a Reviewer, Not a Builder

Useful for:

Not trusted for:

🔄 Refactoring & Large Codebases

⚠️ Where I Intentionally Don’t Use AI

🛠️ My Stack (For Context)

🎯 Why This Approach Works

Final Thoughts

Suggested DEV.TO tags

Next.js 16: What's New? Turbopack, React Compiler & Key Features

1. Turbopack is Now the Default Bundler ⚡

Why This Matters

The "Code Example"

2. The React Compiler is Stable and Ready 🤖

3.A New Name: middleware.ts is now proxy.ts 🔁

How to Upgrade to Next.js 16

Understanding TypeScript Utility Types with Real Examples

🔧 1. Partial<Type> — Make All Properties Optional

✂️ 2. Pick<Type, Keys> — Select Specific Properties

🚫 3. Omit<Type, Keys> — Exclude Certain Properties

🔒 4. Readonly<Type> — Prevent Modification

🗂️ 5. Record<Keys, Type> — Create an Object Type Dynamically

🧩 6. Required<Type> — Make All Properties Mandatory

🧰 Bonus: Combine Utility Types

When you want fine-grained control over types — like a read-only subset of user data.

Next.js 15 SEO Checklist for Developers in 2025 (with Code Examples)

1. Setup Metadata & Open Graph Tags

2. Optimize URL Structure

3. Add Structured Data (Schema.org)

4. Image Optimization with next/image

5. Performance & Core Web Vitals

6. Sitemap & Robots.txt

7. Accessibility = Better SEO

8. Answer Engine Optimization (AEO)

📌 Final SEO Checklist (Quick Recap)

Conclusion

Master Git for Daily Development

Git Tips I Wish I Knew Earlier (For Everyday Productivity)

Git Tips I Wish I Knew Earlier (For Everyday Productivity)

1️⃣ Undo the Last Commit (Without Losing Changes)

2️⃣ See What You’re About to Commit

3️⃣ Quickly Switch Back to the Last Branch

4️⃣ Save Work-in-Progress Without Committing

5️⃣ Pull with Rebase for a Cleaner History

6️⃣ Avoid Typing Long Commands with Aliases

7️⃣ View Who Changed a Line in a File

8️⃣ Ignore Files You Forgot to Ignore

📌 Final Thought

Top 10 Tools I Use as a Frontend Developer (2025 Edition)

1. 🖥️ Visual Studio Code (VS Code)

2. 🎨 Figma

3. ⚛️ React DevTools

4. 📦 Vite

5. 🔄 Git + GitHub

6. 🌐 Postman

7. 🧪 Jest + React Testing Library

8. 🧠 ChatGPT / AI Assistants

9. 🚀 Netlify / Vercel

10. 📊 Lighthouse / WebPageTest

Final Thoughts

Refactoring a Messy Codebase: Lessons I Learned

🧩 What Made the Code "Messy"?

🧹 Step-by-Step Refactoring Process

1. Understand Before You Change

2. Set a Goal for Refactoring

3. Break Big Functions Into Smaller Ones

4. Introduce Consistent Naming and Formatting

5. Implement a Better Folder Structure

6. Write Tests Before Changing Logic

✅ Final Outcome

📘 Key Takeaways

📌 Let’s Connect

Top Git Commands Every Developer Should Know

Top Git Commands Every Developer Should Know

3.A New Name: `middleware.ts` is now `proxy.ts` 🔁

🔧 1. `Partial<Type>` — Make All Properties Optional

✂️ 2. `Pick<Type, Keys>` — Select Specific Properties

🚫 3. `Omit<Type, Keys>` — Exclude Certain Properties

🔒 4. `Readonly<Type>` — Prevent Modification

🗂️ 5. `Record<Keys, Type>` — Create an Object Type Dynamically

🧩 6. `Required<Type>` — Make All Properties Mandatory

4. Image Optimization with `next/image`

4. New Hooks: `use()`, `useOptimistic()`, and `useFormStatus()`